124409780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 290583720

約数和(自身を除く): 166173940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 202, 220, 242, 404, 484, 505, 509, 605, 1010, 1018, 1111, 1210, 2020, 2036, 2222, 2420, 2545, 4444, 5090, 5555, 5599, 10180, 11110, 11198, 12221, 22220, 22396, 24442, 27995, 48884, 51409, 55990, 61105, 61589, 102818, 111980, 122210, 123178, 205636, 244420, 246356, 257045, 307945, 514090, 565499, 615890, 1028180, 1130998, 1231780, 2261996, 2827495, 5654990, 6220489, 11309980, 12440978, 24881956, 31102445, 62204890, 124409780]

約数ペア:

[(1, 124409780), (2, 62204890), (4, 31102445), (5, 24881956), (10, 12440978), (11, 11309980), (20, 6220489), (22, 5654990), (44, 2827495), (55, 2261996), (101, 1231780), (110, 1130998), (121, 1028180), (202, 615890), (220, 565499), (242, 514090), (404, 307945), (484, 257045), (505, 246356), (509, 244420), (605, 205636), (1010, 123178), (1018, 122210), (1111, 111980), (1210, 102818), (2020, 61589), (2036, 61105), (2222, 55990), (2420, 51409), (2545, 48884), (4444, 27995), (5090, 24442), (5555, 22396), (5599, 22220), (10180, 12221), (11110, 11198)]